Monthly Historical AveragesSummit, IL
Average Temperature
High
15°
Feels 14
Low
5°
Feels 3
Average Precipitation
10 Days
69.7mm
0.6cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, April 14, 2026
Day
28°Feels 29
Wind
27 km/h SW
Gust
41 km/h
Humidity
51%
P.O.P
40%
Rain
~1 mm
Night
17°Feels 15
Wind
29 km/h SW
Gust
44 km/h
Humidity
88%
P.O.P
80%
Rain
15-20 mm
Historical AveragesApr 14
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity